/Engine/Source/Runtime/Engine/Public/ActiveSound.h
Applies the active sound's attenuation settings to the input parse params using the given listener
void ParseAttenuation ( [FSoundParseParameters](API\Runtime\Engine\FSoundParseParameters) & OutParseParams, int32 ListenerIndex, const [FSoundAttenuationSettings](API\Runtime\Engine\Sound\FSoundAttenuationSettings) & InAttenuationSettings )